| Commit message (Collapse) | Author | Age | Files | Lines |
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.6-rc2
Most of these were aimed at a "next fixes" pull already during the merge
window, but there were issues with the baseline I used, which resulted
in a lot of issues in CI. I've regenerated this stuff piecemeal now,
adding gradually to it, and it seems healthy now.
Due to the issues this is much bigger than I'd like. But it was
obviously necessary to take the time to ensure it's not garbage...
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/878sl6yfrn.fsf@intel.com
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Keep the rq->fence.flags consistent with the status of the
rq->sched.link, and clear the associated bits when decoupling the link
on retirement (as we may wish to inspect those flags independent of
other state).
Fixes: c3f1ed90e6ff ("drm/i915/gt: Allow temporary suspension of inflight requests")
References: https://gitlab.freedesktop.org/drm/intel/issues/997
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200122140243.495621-3-chris@chris-wilson.co.uk
(cherry picked from commit b4a9a149f91ea345da76bcfe3f8a39715ac346a6)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If we encounter a hang on a virtual engine, as we process the hang the
request may already have been moved back to the virtual engine (we are
processing the hang on the physical engine). We need to reclaim the
request from the virtual engine so that the locking is consistent and
local to the real engine on which we will hold the request for error
state capturing.
v2: Pull the reclamation into execlists_hold() and assert that cannot be
called from outside of the reset (i.e. with the tasklet disabled).
v3: Added selftest
v4: Drop the reference owned by the virtual engine
Fixes: ad18ba7b5eeb ("drm/i915/execlists: Offline error capture")
Testcase: igt/gem_exec_balancer/hang
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200122140243.495621-2-chris@chris-wilson.co.uk
(cherry picked from commit 989df3a7bd2abe566521e61d1aebf603eb013b7f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Thanks to preempt-to-busy, we leave the request on the HW as we submit
the preemption request. This means that the request may complete at any
moment as we process HW events, and in particular the request may be
retired as we are planning to capture it for a preemption timeout.
Be more careful while obtaining the request to capture after a
preemption timeout, and check to see if it completed before we were able
to put it on the on-hold list. If we do see it did complete just before
we capture the request, proclaim the preemption-timeout a false positive
and pardon the reset as we should hit an arbitration point momentarily
and so be able to process the preemption.
Note that even after we move the request to be on hold it may be retired
(as the reset to stop the HW comes after), so we do require to hold our
own reference as we work on the request for capture (and all of the
peeking at state within the request needs to be carefully protected).
Fixes: c3f1ed90e6ff ("drm/i915/gt: Allow temporary suspension of inflight requests")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/997
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200122140243.495621-1-chris@chris-wilson.co.uk
(cherry picked from commit 4ba5c086a1d8e38d6927967ae1a3271a6ab7a927)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Currently, we skip error capture upon forced preemption. We apply forced
preemption when there is a higher priority request that should be
running but is being blocked, and we skip inline error capture so that
the preemption request is not further delayed by a user controlled
capture -- extending the denial of service.
However, preemption reset is also used for heartbeats and regular GPU
hangs. By skipping the error capture, we remove the ability to debug GPU
hangs.
In order to capture the error without delaying the preemption request
further, we can do an out-of-line capture by removing the guilty request
from the execution queue and scheduling a worker to dump that request.
When removing a request, we need to remove the entire context and all
descendants from the execution queue, so that they do not jump past.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/738
Fixes: 3a7a92aba8fb ("drm/i915/execlists: Force preemption")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200116184754.2860848-3-chris@chris-wilson.co.uk
(cherry picked from commit 748317386afb235e11616098d2c7772e49776b58)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In order to support out-of-line error capture, we need to remove the
active request from HW and put it to one side while a worker compresses
and stores all the details associated with that request. (As that
compression may take an arbitrary user-controlled amount of time, we
want to let the engine continue running on other workloads while the
hanging request is dumped.) Not only do we need to remove the active
request, but we also have to remove its context and all requests that
were dependent on it (both in flight, queued and future submission).
Finally once the capture is complete, we need to be able to resubmit the
request and its dependents and allow them to execute.
v2: Replace stack recursion with a simple list.
v3: Check all the parents, not just the first, when searching for a
stuck ancestor!
References: https://gitlab.freedesktop.org/drm/intel/issues/738
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200116184754.2860848-2-chris@chris-wilson.co.uk
(cherry picked from commit 32ff621fd74496f0c33644125fb69ff175859b1f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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If we keep track of when the i915_request.sched.link is on the HW
runlist, or in the priority queue we can simplify our interactions with
the request (such as during rescheduling). This also simplifies the next
patch where we introduce a new in-between list, for requests that are
ready but neither on the run list or in the queue.
v2: Update i915_sched_node.link explanation for current usage where it
is a link on both the queue and on the runlists.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200116184754.2860848-1-chris@chris-wilson.co.uk
(cherry picked from commit 672c368f9398042b629740cc9816e8e939eff2db)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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drm-intel-next-fixes
gvt-fixes-2020-02-12
- fix possible high-order allocation fail for late load (Igor)
- fix one missed lock for ppgtt mm LRU list (Igor)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200212065912.GB4997@zhen-hp.sh.intel.com
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When the lock was introduced in commit 72aabfb862e40 ("drm/i915/gvt: Add mutual
lock for ppgtt mm LRU list") one place got lost.
Fixes: 72aabfb862e4 ("drm/i915/gvt: Add mutual lock for ppgtt mm LRU list")
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1580742421-25194-1-git-send-email-igor.druzhinin@citrix.com
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If the module happens to be loaded later at runtime there is a chance
memory is already fragmented enough to fail allocation of firmware
blob storage and consequently GVT init. Since it doesn't seem to be
necessary to have the blob contiguous, use vmalloc() instead to avoid
the issue.
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1579723824-25711-1-git-send-email-igor.druzhinin@citrix.com
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Make sure we hold the rcu lock as we acquire the rcu protected reference
of the object when looking it up from the associated mmap vma.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/1083
Fixes: cc662126b413 ("drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200130143931.1906301-1-chris@chris-wilson.co.uk
(cherry picked from commit 280d14a69da2e71f43408537c008f2775d5e5360)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Only the first and the last nodes were being added to
ref->preallocated_barriers.
Renaming variables to make it more easy to read.
Fixes: 841350223816 ("drm/i915/gt: Drop mutex serialisation between context pin/unpin")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200129232345.84512-1-jose.souza@intel.com
(cherry picked from commit d4c3c0b8221a72107eaf35c80c40716b81ca463e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Similar to commit ac0e331a628b ("drm/i915: Tighten atomicity of
i915_active_acquire vs i915_active_release") we have the same race of
trying to pin the context underneath a mutex while allowing the
decrement to be atomic outside of that mutex. This leads to the problem
where two threads may simultaneously try to pin the context and the
second not notice that they needed to repin the context.
<2> [198.669621] kernel BUG at drivers/gpu/drm/i915/gt/intel_timeline.c:387!
<4> [198.669703] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [198.669712] CPU: 0 PID: 1246 Comm: gem_exec_create Tainted: G U W 5.5.0-rc6-CI-CI_DRM_7755+ #1
<4> [198.669723] Hardware name: /NUC7i5BNB, BIOS BNKBL357.86A.0054.2017.1025.1822 10/25/2017
<4> [198.669776] RIP: 0010:timeline_advance+0x7b/0xe0 [i915]
<4> [198.669785] Code: 00 48 c7 c2 10 f1 46 a0 48 c7 c7 70 1b 32 a0 e8 bb dd e7 e0 bf 01 00 00 00 e8 d1 af e7 e0 31 f6 bf 09 00 00 00 e8 35 ef d8 e0 <0f> 0b 48 c7 c1 48 fa 49 a0 ba 84 01 00 00 48 c7 c6 10 f1 46 a0 48
<4> [198.669803] RSP: 0018:ffffc900004c3a38 EFLAGS: 00010296
<4> [198.669810] RAX: ffff888270b35140 RBX: ffff88826f32ee00 RCX: 0000000000000006
<4> [198.669818] RDX: 00000000000017c5 RSI: 0000000000000000 RDI: 0000000000000009
<4> [198.669826] RBP: ffffc900004c3a64 R08: 0000000000000000 R09: 0000000000000000
<4> [198.669834] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88826f9b5980
<4> [198.669841] R13: 0000000000000cc0 R14: ffffc900004c3dc0 R15: ffff888253610068
<4> [198.669849] FS: 00007f63e663fe40(0000) GS:ffff888276c00000(0000) knlGS:0000000000000000
<4> [198.669857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [198.669864] CR2: 00007f171f8e39a8 CR3: 000000026b1f6005 CR4: 00000000003606f0
<4> [198.669872] Call Trace:
<4> [198.669924] intel_timeline_get_seqno+0x12/0x40 [i915]
<4> [198.669977] __i915_request_create+0x76/0x5a0 [i915]
<4> [198.670024] i915_request_create+0x86/0x1c0 [i915]
<4> [198.670068] i915_gem_do_execbuffer+0xbf2/0x2500 [i915]
<4> [198.670082] ? __lock_acquire+0x460/0x15d0
<4> [198.670128] i915_gem_execbuffer2_ioctl+0x11f/0x470 [i915]
<4> [198.670171] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [198.670181] drm_ioctl_kernel+0xa7/0xf0
<4> [198.670188] drm_ioctl+0x2e1/0x390
<4> [198.670233] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
Fixes: 841350223816 ("drm/i915/gt: Drop mutex serialisation between context pin/unpin")
References: ac0e331a628b ("drm/i915: Tighten atomicity of i915_active_acquire vs i915_active_release")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200127152829.2842149-1-chris@chris-wilson.co.uk
(cherry picked from commit e5429340bfa2dc43a07c3329e0c30cdae4cc0b35)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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As we use a mutex to serialise the first acquire (as it may be a lengthy
operation), but only an atomic decrement for the release, we have to
be careful in case a second thread races and completes both
acquire/release as the first finishes its acquire.
Thread A Thread B
i915_active_acquire i915_active_acquire
atomic_read() == 0 atomic_read() == 0
mutex_lock() mutex_lock()
atomic_read() == 0
ref->active();
atomic_inc()
mutex_unlock()
atomic_read() == 1
i915_active_release
atomic_dec_and_test() -> 0
ref->retire()
atomic_inc() -> 1
mutex_unlock()
So thread A has acquired the ref->active_count but since the ref was
still active at the time, it did not initialise it. By switching the
check inside the mutex to an atomic increment only if already active, we
close the race.
Fixes: c9ad602feabe ("drm/i915: Split i915_active.mutex into an irq-safe spinlock for the rbtree")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200126102346.1877661-3-chris@chris-wilson.co.uk
(cherry picked from commit ac0e331a628b5ded087eab09fad2ffb082ac61ba)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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i915_gpu_coreddump_put is currently only defined if
CONFIG_DRM_I915_CAPTURE_ERROR is enabled, provide a stub otherwise.
Reported-by: Mike Lothian <mike@fireburn.co.uk>
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mike Lothian <mike@fireburn.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200124192255.541355-1-chris@chris-wilson.co.uk
(cherry picked from commit 7e36505d0cf82f2920f2fd22ebb14a8b540396a3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Only assert that the i915_vma is now idle if and only if no other pins
are present. If another user has the i915_vma pinned, they may submit
more work to the i915_vma skipping the vm->mutex used to serialise the
unbind. We need to wait again, if we want to continue and unbind this
vma.
However, if we own the i915_vma (we hold the vm->mutex for the unbind
and the pin_count is 0), we can assert that the vma remains idle as we
unbind.
Fixes: 2850748ef876 ("drm/i915: Pull i915_vma_pin under the vm->mutex")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/530
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123224459.38128-1-chris@chris-wilson.co.uk
(cherry picked from commit 60e94557fff1f5514c7fc4da7ddc2c7a13ffff26)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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To multiply 2 u32 numbers to generate a u64 in C requires a bit of
forewarning for the compiler.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123125934.1401755-1-chris@chris-wilson.co.uk
(cherry picked from commit 0f8f8a64300092852b9361cd835395ee71e6a7d6)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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For a simulated preemption reset, we don't populate the request and so
do not fill in the guilty context name.
[ 79.991294] i915 0000:00:02.0: GPU HANG: ecode 9:1:e757fefe, in [0]
Just don't mention the empty string in the logs!
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200121132107.267709-1-chris@chris-wilson.co.uk
(cherry picked from commit 29baf3ae8daa4c673de58106ff41c7236dff57f4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Currently we create a new mmap_offset for every call to
mmap_offset_ioctl. This exposes ourselves to an abusive client that may
simply create new mmap_offsets ad infinitum, which will exhaust physical
memory and the virtual address space. In addition to the exhaustion, a
very long linear list of mmap_offsets causes other clients using the
object to incur long list walks -- these long lists can also be
generated by simply having many clients generate their own mmap_offset.
However, we can simply use the drm_vma_node itself to manage the file
association (allow/revoke) dropping our need to keep an mmo per-file.
Then if we keep a small rbtree of per-type mmap_offsets, we can lookup
duplicate requests quickly.
Fixes: cc662126b413 ("drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Reviewed-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200120104924.4000706-3-chris@chris-wilson.co.uk
(cherry picked from commit 7865559872074a9ab169c87915504661d630addf)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We need to allow concurrent intel_context_unpin, which means avoiding
doing destructive operations like intel_ring_reset(). This was already
fixed for intel_ring_unpin() in commit 0725d9a31869 ("drm/i915/gt: Make
intel_ring_unpin() safe for concurrent pint"), but I overlooked that
execlists_context_unpin() also made the same mistake.
Reported-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 841350223816 ("drm/i915/gt: Drop mutex serialisation between context pin/unpin")
References: 0725d9a31869 ("drm/i915/gt: Make intel_ring_unpin() safe for concurrent pint")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115175829.2761329-1-chris@chris-wilson.co.uk
(cherry picked from commit f3c0efc9fe7a4e61544034f525348a3aa86ac5aa)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In converting over to using set_bit()/test_bit(), when manually
inspecting the rq->fence.flags, we need to use BIT().
Fixes: e1c31fb5dde3 ("drm/i915: Merge i915_request.flags with i915_request.fence.flags")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115122509.2673075-1-chris@chris-wilson.co.uk
(cherry picked from commit 72ff2b8d5f2dcb09bfa37b902c23311eec426496)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Add a i915_vma to the mock_engine/mock_ring so that the core code can
always assume the presence of ring->vma.
Fixes: 8ccfc20a7d56 ("drm/i915/gt: Mark ring->vma as active while pinned")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200114160030.2468927-1-chris@chris-wilson.co.uk
(cherry picked from commit b63b4feaef7363d2cf46dd76bb6e87e060b2b0de)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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intel_prepare_plane_fb() will always pin plane_state->hw.fb whenever
it is present. We copy that from the master plane to the slave plane,
but we fail to copy the corresponding ggtt view. Thus when it comes time
to pin the slave plane's fb we use some stale ggtt view left over from
the last time the plane was used as a non-slave plane. If that previous
use involved 90/270 degree rotation or remapping we'll try to shuffle
the pages of the new fb around accordingingly. However the new
fb may be backed by a bo with less pages than what the ggtt view
rotation/remapped info requires, and so we we trip a GEM_BUG().
Steps to reproduce on icl:
1. plane 1: whatever
plane 6: largish !NV12 fb + 90 degree rotation
2. plane 1: smallish NV12 fb
plane 6: make invisible so it gets slaved to plane 1
3. GEM_BUG()
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/issues/951
Fixes: 1f594b209fe1 ("drm/i915: Remove special case slave handling during hw programming, v3.")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110183228.8199-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 103605e0d1e77cfb5d0f5a9e8aba7d97f1b49339)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Take and hold a reference to each of the vma (and their objects) as we
process them with the cmdparser. This stops them being freed during the
work if the GEM execbuf is interrupted and the request we expected to
keep the objects alive is incomplete.
Fixes: 686c7c35abc2 ("drm/i915/gem: Asynchronous cmdparser")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/970
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113154555.1909639-1-chris@chris-wilson.co.uk
(cherry picked from commit 36c8e356a76e147f0b631fd29838147c01b50d04)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The rc6 residency starts ticking from 0 from BIOS POST, but the kernel
starts measuring the time from its boot. If we start measuruing
I915_PMU_RC6_RESIDENCY while the GT is idle, we start our sampling from
0 and then upon first activity (park/unpark) add in all the rc6
residency since boot. After the first park with the sampler engaged, the
sleep/active counters are aligned.
v2: With a wakeref to be sure
Closes: https://gitlab.freedesktop.org/drm/intel/issues/973
Fixes: df6a42053513 ("drm/i915/pmu: Ensure monotonic rc6")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200114105648.2172026-1-chris@chris-wilson.co.uk
(cherry picked from commit f4e9894b6952a2819937f363cd42e7cd7894a1e4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Since commit 742379c0c4001 ("drm/i915: Start chopping up the GPU error
capture"), function 'i915_error_state_store' was defined and used with
only one parameter.
But if no 'CONFIG_DRM_I915_CAPTURE_ERROR', this function was defined
with two parameter.
This may lead compile error. This patch fix it.
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200117073436.6507-1-zhangxiaoxu5@huawei.com
(cherry picked from commit 04062c58faafddf62006c6f8e5077dc050e8207e)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Fix htotal and vtotal parameters derived from DTD block of VBT. The
values miss the back porch.
Fixes: 33ef6d4fd8df ("drm/i915/vbt: Handle generic DTD block")
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200124125829.16973-1-vandita.kulkarni@intel.com
(cherry picked from commit ad278f358446707d03a1fe89f880e6ac80ca06cd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Remove the i2c_bus_num >= 0 check from the adapter lookup function
as this would prevent ACPI bus number override. This check was mainly
there to return early if the bus number has already been found but we
anyway return in the next line if the slave address does not match.
Fixes: 8cbf89db2941 ("drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3)")
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200118005848.20382-1-vivek.kasireddy@intel.com
(cherry picked from commit de409661c4c90d63cfc64579edbad0a6b10bd50d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The post-fastset "does anyone still need a full modeset?" for
port sync looks busted. The outer loop bails out of a full modeset
is still needed by the current crtc, and then we skip forcing
a full modeset on the related crtcs. That's totally the opposite
of what we want.
The MST path has the logic mostly the other way around so it
looks correct. To fix the port sync case let's follow the MST
logic for both. So, if the current crtc already needs a modeset
we do nothing. otherwise we check if any of the related crtcs
needs a modeset, and if so we force a full modeset for the
current crtc.
And while at let's change the else if to a plain if to so
we don't have needless coupling between the MST and port sync
checks.
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Fixes: 05a8e45136ca ("drm/i915/display: Use external dependency loop for port sync")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115190813.17971-1-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit d0eed1545fe75f115a548691a008e94b0e7abc45)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Perform the i2c bus/adapter lookup from ACPI Namespace only if ACPI is
enabled in the kernel config. If ACPI is not enabled or if the lookup
fails, we'll fallback to using the VBT for identifying the i2c bus.
v2: Add fixes tag (Jani)
Fixes: 8cbf89db2941 ("drm/i915/dsi: Parse the I2C element from the VBT MIPI sequence block (v3)")
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200115012305.27395-1-vivek.kasireddy@intel.com
(cherry picked from commit 960287ca58fd549af9826ff1cb735fe17d031486)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pull drm updates from Davbe Airlie:
"This is the main pull request for graphics for 5.6. Usual selection of
changes all over.
I've got one outstanding vmwgfx pull that touches mm so kept it
separate until after all of this lands. I'll try and get it to you
soon after this, but it might be early next week (nothing wrong with
code, just my schedule is messy)
This also hits a lot of fbdev drivers with some cleanups.
Other notables:
- vulkan timeline semaphore support added to syncobjs
- nouveau turing secureboot/graphics support
- Displayport MST display stream compression support
Detailed summary:
uapi:
- dma-buf heaps added (and fixed)
- command line add support for panel oreientation
- command line allow overriding penguin count
drm:
- mipi dsi definition updates
- lockdep annotations for dma_resv
- remove dma-buf kmap/kunmap support
- constify fb_ops in all fbdev drivers
- MST fix for daisy chained hotplug-
- CTA-861-G modes with VIC >= 193 added
- fix drm_panel_of_backlight export
- LVDS decoder support
- more device based logging support
- scanline alighment for dumb buffers
- MST DSC helpers
scheduler:
- documentation fixes
- job distribution improvements
panel:
- Logic PD type 28 panel support
- Jimax8729d MIPI-DSI
- igenic JZ4770
- generic DSI devicetree bindings
- sony acx424AKP panel
- Leadtek LTK500HD1829
- xinpeng XPP055C272
- AUO B116XAK01
- GiantPlus GPM940B0
- BOE NV140FHM-N49
- Satoz SAT050AT40H12R2
- Sharp LS020B1DD01D panels.
ttm:
- use blocking WW lock
i915:
- hw/uapi state separation
- Lock annotation improvements
- selftest improvements
- ICL/TGL DSI VDSC support
- VBT parsing improvments
- Display refactoring
- DSI updates + fixes
- HDCP 2.2 for CFL
- CML PCI ID fixes
- GLK+ fbc fix
- PSR fixes
- GEN/GT refactor improvments
- DP MST fixes
- switch context id alloc to xarray
- workaround updates
- LMEM debugfs support
- tiled monitor fixes
- ICL+ clock gating programming removed
- DP MST disable sequence fixed
- LMEM discontiguous object maps
- prefaulting for discontiguous objects
- use LMEM for dumb buffers if possible
- add LMEM mmap support
amdgpu:
- enable sync object timelines for vulkan
- MST atomic routines
- enable MST DSC support
- add DMCUB display microengine support
- DC OEM i2c support
- Renoir DC fixes
- Initial HDCP 2.x support
- BACO support for Arcturus
- Use BACO for runtime PM power save
- gfxoff on navi10
- gfx10 golden updates and fixes
- DCN support on POWER
- GFXOFF for raven1 refresh
- MM engine idle handlers cleanup
- 10bpc EDP panel fixes
- renoir watermark fixes
- SR-IOV fixes
- Arcturus VCN fixes
- GDDR6 training fixes
- freesync fixes
- Pollock support
amdkfd:
- unify more codepath with amdgpu
- use KIQ to setup HIQ rather than MMIO
radeon:
- fix vma fault handler race
- PPC DMA fix
- register check fixes for r100/r200
nouveau:
- mmap_sem vs dma_resv fix
- rewrite the ACR secure boot code for Turing
- TU10x graphics engine support (TU11x pending)
- Page kind mapping for turing
- 10-bit LUT support
- GP10B Tegra fixes
- HD audio regression fix
hisilicon/hibmc:
- use generic fbdev code and helpers
rockchip:
- dsi/px30 support
virtio:
- fb damage support
- static some functions
vc4:
- use dma_resv lock wrappers
msm:
- use dma_resv lock wrappers
- sc7180 display + DSI support
- a618 support
- UBWC support improvements
vmwgfx:
- updates + new logging uapi
exynos:
- enable/disable callback cleanups
etnaviv:
- use dma_resv lock wrappers
atmel-hlcdc:
- clock fixes
mediatek:
- cmdq support
- non-smooth cursor fixes
- ctm property support
sun4i:
- suspend support
- A64 mipi dsi support
rcar-du:
- Color management module support
- LVDS encoder dual-link support
- R8A77980 support
analogic:
- add support for an6345
ast:
- atomic modeset support
- primary plane garbage fix
arcgpu:
- fixes for fourcc handling
tegra:
- minor fixes and improvments
mcde:
- vblank support
meson:
- OSD1 plane AFBC commit
gma500:
- add pageflip support
- reomve global drm_dev
komeda:
- tweak debugfs output
- d32 support
- runtime PM suppotr
udl:
- use generic shmem helpers
- cleanup and fixes"
* tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits)
drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing
drm/nouveau/acr: return error when registering LSF if ACR not supported
drm/nouveau/disp/gv100-: not all channel types support reporting error codes
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
drm/nouveau: support synchronous pushbuf submission
drm/nouveau: signal pending fences when channel has been killed
drm/nouveau: reject attempts to submit to dead channels
drm/nouveau: zero vma pointer even if we only unreference it rather than free
drm/nouveau: Add HD-audio component notifier support
drm/nouveau: fix build error without CONFIG_IOMMU_API
drm/nouveau/kms/nv04: remove set but not used variable 'width'
drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector'
drm/nouveau/mmu: fix comptag memory leak
drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc
drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping
drm/exynos: Rename Exynos to lowercase
drm/exynos: change callback names
drm/mst: Don't do atomic checks over disabled managers
drm/amdgpu: add the lost mutex_init back
drm/amd/display: skip opp blank or unblank if test pattern enabled
...
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msm needs 5.5-rc4, go to the latest.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
Final drm/i915 features for v5.6:
- DP MST fixes (José)
- Fix intel_bw_state memory leak (Pankaj Bharadiya)
- Switch context id allocation to xarray (Tvrtko)
- ICL/EHL/TGL workarounds (Matt Roper, Tvrtko)
- Debugfs for LMEM details (Lukasz Fiedorowicz)
- Prefer platform acronyms over codenames in symbols (Lucas)
- Tiled and port sync mode fixes for fbdev and DP (Manasi)
- DSI panel and backlight enable GPIO fixes (Hans de Goede)
- Relax audio min CDCLK requirements on non-GLK (Kai Vehmanen)
- Plane alignment and dimension check fixes (Imre)
- Fix state checks for PSR (José)
- Remove ICL+ clock gating programming (José)
- Static checker fixes around bool usage (Ma Feng)
- Bring back tests for self-contained headers in i915 (Masahiro Yamada)
- Fix DP MST disable sequence (Ville)
- Start converting i915 to the new drm device based logging macros (Wambui Karuga)
- Add DSI VBT I2C sequence execution (Vivek Kasireddy)
- Start using function pointers and ops structs in uc code (Michal)
- Fix PMU names to not use colons or dashes (Tvrtko)
- TGL media decompression support (DK, Imre)
- Split i915_gem_gtt.[ch] to more manageable chunks (Matthew Auld)
- Create dumb buffers in LMEM where available (Ram)
- Extend mmap support for LMEM (Abdiel)
- Selftest updates (Chris)
- Hack bump up CDCLK on TGL to avoid underruns (Stan)
- Use intel_encoder and intel_connector more instead of drm counterparts (Ville)
- Build error fixes (Zhang Xiaoxu)
- Fixes related to GPU and engine initialization/resume (Chris)
- Support for prefaulting discontiguous objects (Abdiel)
- Support discontiguous LMEM object maps (Chris)
- Various GEM and GT improvements and fixes (Chris)
- Merge pinctrl dependencies branch for the DSI GPIO updates (Jani)
- Backmerge drm-next for new logging macros (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87sgkil0v9.fsf@intel.com
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Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Currently, we reset the timer after a pre-eemption event. This has the
side-effect that the timeslice runs into the second context after the
first is completed after a normal promotion event, causing the second
context to be swapped out early and switched for a third context. To be
more fair, we want to reset the clock after promotion as well.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113214546.1990139-1-chris@chris-wilson.co.uk
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If 'CONFIG_DRM_I915_CAPTURE_ERROR' not configured, there is an error
when compile the kernel:
drivers/gpu/drm/i915/gt/intel_reset.c:
In function intel_gt_handle_error:
drivers/gpu/drm/i915/gt/intel_reset.c:1233:3:
error: too few arguments to function i915_capture_error_state
i915_capture_error_state(gt->i915);
^~~~~~~~~~~~~~~~~~~~~~~~
In file included
from ./drivers/gpu/drm/i915/i915_drv.h:97:0,
from ./drivers/gpu/drm/i915/display/intel_display_types.h:46,
from drivers/gpu/drm/i915/gt/intel_reset.c:10:
./drivers/gpu/drm/i915/i915_gpu_error.h:267:20: note: declared here
static inline void i915_capture_error_state(struct drm_i915_private *dev_priv,
Fixes: 742379c0c400 ("drm/i915: Start chopping up the GPU error capture")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113081942.15982-1-zhangxiaoxu5@huawei.com
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If 'CONFIG_DRM_I915_CAPTURE_ERROR' not configured, there are some
errors like:
drivers/gpu/drm/i915/i915_irq.o:
In function `i915_vma_capture_finish':
./drivers/gpu/drm/i915/i915_gpu_error.h:312:
multiple definition of `i915_vma_capture_finish'
drivers/gpu/drm/i915/i915_drv.o:
./drivers/gpu/drm/i915/i915_gpu_error.h:312: first defined here
So, add 'static inline' on the defineation of the 'i915_vma_capture_finish'
Fixes: d713e3ab93fdc("drm/i915: Correct typo in i915_vma_compress_finish stub")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200113104009.13274-1-zhangxiaoxu5@huawei.com
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Just use the passed in encoder instead of digging it out via
the legacy drm_connector->encoder pointer (which we'll want to
stop using).
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191204180549.1267-5-ville.syrjala@linux.intel.com
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
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Lots of enc_to_foo(&encoder->base) around. Simplify by passing
in the intel_encoder instead.
@find@
identifier F =~ "^enc_to_.*";
identifier E;
@@
F(struct drm_encoder *E)
{
...
}
@@
identifier find.F;
identifier find.E;
@@
F(
- struct drm_encoder *E
+ struct intel_encoder *encoder
)
{
<...
- E
+ &encoder->base
...>
}
@@
identifier find.F;
expression E;
@@
- F(E)
+ F(to_intel_encoder(E))
@@
expression E;
@@
- to_intel_encoder(&E->base)
+ E
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191204180549.1267-4-ville.syrjala@linux.intel.com
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
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Life is usually easier when we pass around intel_ types instead
of drm_ types. In this case it might not be, but I think being
consistent is a good thing anyway. Also some of this might get
cleaned up a bit more later as we keep propagating the intel_
types further.
@find@
identifier F =~ "^intel_attached_.*";
identifier C;
@@
F(struct drm_connector *C)
{
...
}
@@
identifier find.F;
identifier find.C;
@@
F(
- struct drm_connector *C
+ struct intel_connector *connector
)
{
<...
- C
+ &connector->base
...>
}
@@
identifier find.F;
expression C;
@@
- F(C)
+ F(to_intel_connector(C))
@@
expression C;
@@
- to_intel_connector(&C->base)
+ C
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191204180549.1267-3-ville.syrjala@linux.intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
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There seems to be some undocumented bandwidth
bottleneck/dependency which scales with CDCLK,
causing FIFO underruns when CDCLK is too low,
even when it's correct from BSpec point of view.
Currently for TGL platforms we calculate
min_cdclk initially based on pixel_rate divided
by 2, accounting for also plane requirements,
however in some cases the lowest possible CDCLK
doesn't work and causing the underruns.
We've found experimentally that raising cdclk to
at least pixel_rate (rather than pixel_rate/2)
eliminates these underruns, so let's use this as a
temporary workaround until the hardware team
can suggest a more precise remedy.
Explicitly stating here that this seems to be currently
rather a Hack, than final solution.
v2: Use clamp operation instead of min(Matt Roper)
v3: - Fixed commit message(Matt Roper)
- Now using pixel_rate instead of max_cdclk(Jani Nikula)
- Switched to max from clamp(Ville Syrjälä)
Hopefully this hybrid satisfies everyone :)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/issues/402
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200109220547.23817-1-stanislav.lisovskiy@intel.com
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We use PCI device path in the registered PMU name in order to distinguish
between multiple GPUs. But since tools/perf reserves a special meaning to
dash and colon characters we need to transliterate them to something else.
We choose an underscore.
v2:
* Use strreplace. (Chris)
* Dashes are not good either. (Chris)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110113253.12535-1-tvrtko.ursulin@linux.intel.com
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A copy and paste error in setting up the !CONFIG_DRM_I915_CAPTURE_ERROR
stubs left a conflicting duplicate declaration.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200111083007.1619228-1-chris@chris-wilson.co.uk
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uC sanitization is only meaningful if we are running with uC present
or enabled. Make this function part of the uc_ops.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110222723.14724-5-michal.wajdeczko@intel.com
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uC preparation and cleanup steps are only meaningful if we are
running with uC enabled. Make these functions part of the uc_ops.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110222723.14724-4-michal.wajdeczko@intel.com
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Firmware fetching and cleanup steps are only meaningful if we are
running with uC enabled. Make these functions part of the uc_ops.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110222723.14724-3-michal.wajdeczko@intel.com
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Instead of spreading multiple conditionals across the uC code
to find out current mode of uC operation, start using predefined
set of function pointers that reflect that mode.
Begin with pair of init_hw/fini_hw functions that are responsible
for uC hardware initialization and cleanup.
v2: drop ops_none, use macro to generate ops helpers
v3: reuse __uc_check_hw to avoid redundant comment
v4: forward declare ops struct vs functions
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110222723.14724-2-michal.wajdeczko@intel.com
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We need to hold the runtime-pm wakeref to update the global PTEs (as
they exist behind a PCI BAR). However, some systems invoke ACPI during
runtime resume and so require allocations, which is verboten inside the
vm->mutex. Ergo, we must not use intel_runtime_pm_get() inside the
mutex, but lift the call outside.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/958
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110144418.1415639-1-chris@chris-wilson.co.uk
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Parsing the i2c element is mainly done to transfer the payload from the
MIPI sequence block to the relevant slave device. In some cases, the
commands that are part of the payload can be used to turn on the backlight.
This patch is actually a refactored version of this old patch:
https://lists.freedesktop.org/archives/intel-gfx/2014-December/056897.html
In addition to the refactoring, the original patch is augmented by
looking up the i2c bus from ACPI NS instead of relying on the bus number
provided in the VBT.
This patch was tested on Aava Mobile's Inari 10 tablet. It enabled
turning on the backlight by transferring the payload to the device.
v2:
- Add DRM_DEV_ERROR for invalid adapter and failed transfer and also
drop the DRM_DEBUG that existed originally. (Hans)
- Add two gotos instead of one to clean things up properly.
v3:
- Identify the device on which this patch was tested in the commit
message (Ville)
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Bob Paauwe <bob.j.paauwe@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110181123.14536-1-vivek.kasireddy@intel.com
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The list of requests from after the hang tells little about the hang
itself, only how busy userspace was after the fact. As it pertains
nothing to the HW state, drop it from the error state.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200110123059.1348712-4-chris@chris-wilson.co.uk
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